From: "Deucher, Alexander" <Alexander.Deucher@amd.com>
To: "Huang, Ray" <Ray.Huang@amd.com>,
"amd-gfx@lists.freedesktop.org" <amd-gfx@lists.freedesktop.org>
Subject: Re: [PATCH 2/2] drm/amdgpu: add TMR destory function for psp
Date: Tue, 30 Jun 2020 13:36:09 +0000 [thread overview]
Message-ID: <MN2PR12MB4488D0EEA187FA8D420B366DF76F0@MN2PR12MB4488.namprd12.prod.outlook.com> (raw)
In-Reply-To: <20200630103051.1206401-2-ray.huang@amd.com>
[-- Attachment #1.1: Type: text/plain, Size: 4177 bytes --]
[AMD Public Use]
Series is:
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
________________________________
From: amd-gfx <amd-gfx-bounces@lists.freedesktop.org> on behalf of Huang Rui <ray.huang@amd.com>
Sent: Tuesday, June 30, 2020 6:30 AM
To: amd-gfx@lists.freedesktop.org <amd-gfx@lists.freedesktop.org>
Cc: Huang, Ray <Ray.Huang@amd.com>
Subject: [PATCH 2/2] drm/amdgpu: add TMR destory function for psp
TMR is required to be destoried with GFX_CMD_ID_DESTROY_TMR while the
system goes to suspend. Otherwise, PSP may return the failure state
(0xFFFF007) on Gfx-2-PSP command GFX_CMD_ID_SETUP_TMR after do multiple
times suspend/resume.
Signed-off-by: Huang Rui <ray.huang@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c | 57 +++++++++++++++++++++++--
1 file changed, 53 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
index e57a53d5ca96..23ebb50b1a19 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
@@ -430,6 +430,52 @@ static int psp_tmr_load(struct psp_context *psp)
return ret;
}
+static void psp_prep_tmr_unload_cmd_buf(struct psp_context *psp,
+ struct psp_gfx_cmd_resp *cmd)
+{
+ if (amdgpu_sriov_vf(psp->adev))
+ cmd->cmd_id = GFX_CMD_ID_DESTROY_VMR;
+ else
+ cmd->cmd_id = GFX_CMD_ID_DESTROY_TMR;
+}
+
+static int psp_tmr_unload(struct psp_context *psp)
+{
+ int ret;
+ struct psp_gfx_cmd_resp *cmd;
+
+ cmd = kzalloc(sizeof(struct psp_gfx_cmd_resp), GFP_KERNEL);
+ if (!cmd)
+ return -ENOMEM;
+
+ psp_prep_tmr_unload_cmd_buf(psp, cmd);
+ DRM_INFO("free PSP TMR buffer\n");
+
+ ret = psp_cmd_submit_buf(psp, NULL, cmd,
+ psp->fence_buf_mc_addr);
+
+ kfree(cmd);
+
+ return ret;
+}
+
+static int psp_tmr_terminate(struct psp_context *psp)
+{
+ int ret;
+ void *tmr_buf;
+ void **pptr;
+
+ ret = psp_tmr_unload(psp);
+ if (ret)
+ return ret;
+
+ /* free TMR memory buffer */
+ pptr = amdgpu_sriov_vf(psp->adev) ? &tmr_buf : NULL;
+ amdgpu_bo_free_kernel(&psp->tmr_bo, &psp->tmr_mc_addr, pptr);
+
+ return 0;
+}
+
static void psp_prep_asd_load_cmd_buf(struct psp_gfx_cmd_resp *cmd,
uint64_t asd_mc, uint32_t size)
{
@@ -1866,8 +1912,6 @@ static int psp_hw_fini(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
struct psp_context *psp = &adev->psp;
- void *tmr_buf;
- void **pptr;
int ret;
if (psp->adev->psp.ta_fw) {
@@ -1883,10 +1927,9 @@ static int psp_hw_fini(void *handle)
return ret;
}
+ psp_tmr_terminate(psp);
psp_ring_destroy(psp, PSP_RING_TYPE__KM);
- pptr = amdgpu_sriov_vf(psp->adev) ? &tmr_buf : NULL;
- amdgpu_bo_free_kernel(&psp->tmr_bo, &psp->tmr_mc_addr, pptr);
amdgpu_bo_free_kernel(&psp->fw_pri_bo,
&psp->fw_pri_mc_addr, &psp->fw_pri_buf);
amdgpu_bo_free_kernel(&psp->fence_buf_bo,
@@ -1939,6 +1982,12 @@ static int psp_suspend(void *handle)
return ret;
}
+ ret = psp_tmr_terminate(psp);
+ if (ret) {
+ DRM_ERROR("Falied to terminate tmr\n");
+ return ret;
+ }
+
ret = psp_ring_stop(psp, PSP_RING_TYPE__KM);
if (ret) {
DRM_ERROR("PSP ring stop failed\n");
--
2.25.1
_______________________________________________
amd-gfx mailing list
amd-gfx@lists.freedesktop.org
https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Flists.freedesktop.org%2Fmailman%2Flistinfo%2Famd-gfx&data=02%7C01%7Calexander.deucher%40amd.com%7C282cd5829fbe4fca8ac708d81ce0cdbb%7C3dd8961fe4884e608e11a82d994e183d%7C0%7C0%7C637291099162588481&sdata=UfOBa7Xaa6qvWClFnYB4OSngc8k0YyUmDCwtKmZ5BQQ%3D&reserved=0
[-- Attachment #1.2: Type: text/html, Size: 9114 bytes --]
[-- Attachment #2: Type: text/plain, Size: 154 bytes --]
_______________________________________________
amd-gfx mailing list
amd-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/amd-gfx
prev parent reply other threads:[~2020-06-30 13:36 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-06-30 10:30 [PATCH 1/2] drm/amdgpu: asd function needs to be unloaded in suspend phase Huang Rui
2020-06-30 10:30 ` [PATCH 2/2] drm/amdgpu: add TMR destory function for psp Huang Rui
2020-06-30 13:36 ` Deucher, Alexander [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=MN2PR12MB4488D0EEA187FA8D420B366DF76F0@MN2PR12MB4488.namprd12.prod.outlook.com \
--to=alexander.deucher@amd.com \
--cc=Ray.Huang@amd.com \
--cc=amd-gfx@lists.freedesktop.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).